announcer: the new pbs for ipad app. you'll never know what you'll find. [dog barks] announcer: available now in the app store. hi. welcome back. certainly glad you could join us today, cause it's a fantastic day here, and i hope it is wherever you're at. so i'll tell you what, let's start out today and have them run all the colors across the screen that you need to paint along with us. while they're doing that, let me show you what i've got done up here. i have my standard old double-primed pre-stretched canvas, and today i'm using an 18 x 24 inch. you use whatever size is convenient for you. and i've covered the entire canvas with a very, very thin, say it again, thin coat of the liquid white. so the canvas is all wet and it's slick and it's ready to go, so i'll tell you what, let's just do a fantastic little painting together. thought we'd do something today that's just fun. we film this show in muncie, indiana, so i thought maybe today we'd do a show that has maybe a little farm-like scene in it, but i think will be pretty. so let's start off with an o